ALGM ALLEGRO MICROSYSTEMS INC
FollowCOM (common), issuer CIK 866291
Filings received so far for Q3 2026: 12 13F filers report a position in ALGM shares at 2026-09-30. The quarter is not complete: its 13F deadline is 2026-11-14, and the counts grow as filings arrive.
13D and 13G filers
Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.
- FMR LLC(group FMR LLC)
9,913,112 shares, 5.3% in a 13G/A as of 2026-09-30,0000315066-26-002338
Accepted , ingested
Insider trades
No Form 4 transaction on this security in the data.
13F holders, Q3 2026
Filers in the available 13F reports with a share position at 2026-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.
| Holder | Shares | Value | % of portfolio | Change | Source |
|---|---|---|---|---|---|
| Whalen Wealth Management Inc. | 8,166 | $297K | 0.13% | +1,767 | 13F-HRTimeline |
| GAMMA Investing LLC | 4,443 | $162K | 0.01% | +898 | 13F-HRTimeline |
| Farther Finance Advisors, LLC | 2,399 | $87.2K | <0.01% | -379 | 13F-HRTimeline |
| CoreCap Advisors, LLC | 906 | $32.9K | <0.01% | -94 | 13F-HRTimeline |
| Versant Capital Management, Inc | 385 | $14K | <0.01% | +296 | 13F-HRTimeline |
| BURKETT FINANCIAL SERVICES, LLC | 334 | $12.1K | <0.01% | new | 13F-HRTimeline |
| MassMutual Private Wealth & Trust, FSB | 250 | $9.09K | <0.01% | +54 | 13F-HRTimeline |
| Investors Research Corp | 93 | $3.38K | <0.01% | 0 | 13F-HRTimeline |
| ELEVATION WEALTH PARTNERS, LLC | 56 | $2.04K | <0.01% | new | 13F-HRTimeline |
| GoalVest Advisory LLC | 9 | $327 | <0.01% | new | 13F-HRTimeline |
| Davis Capital Management | 3 | $109 | <0.01% | new | 13F-HRTimeline |
| Wealth Enhancement Trust Services, Inc. | 2 | $73 | <0.01% | 0 | 13F-HRTimeline |
Events
FMR LLC and 1 other reporting person reported 9,913,112 ALGM shares, 5.3% of the class, as of 2026-09-30, in a 13G/A filed 2026-10-07. 0000315066-26-002338
Accepted , ingested